Keyes, W. J. (1974). Manila scavengers: The struggle for urban survival. Institute of Philippine Culture, Ateneo de Manila University.
Dyfyniad Arddull ChicagoKeyes, William J. Manila Scavengers: The Struggle for Urban Survival. Quezon City: Institute of Philippine Culture, Ateneo de Manila University, 1974.
Dyfyniad MLAKeyes, William J. Manila Scavengers: The Struggle for Urban Survival. Institute of Philippine Culture, Ateneo de Manila University, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.